From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org
Cc: daniel@ffwll.ch, tvrtko.ursulin@linux.intel.com
Subject: [PATCH 20/26] drm: use new iterator in drm_gem_fence_array_add_implicit v2
Date: Thu, 16 Sep 2021 13:30:36 +0200 [thread overview]
Message-ID: <20210916113042.3631-21-christian.koenig@amd.com> (raw)
In-Reply-To: <20210916113042.3631-1-christian.koenig@amd.com>
Simplifying the code a bit.
v2: add missing rcu_read_lock()/unlock()
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/drm_gem.c | 36 +++++++++++++-----------------------
1 file changed, 13 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 09c820045859..8c3ff098e49e 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1340,31 +1340,21 @@ int drm_gem_fence_array_add_implicit(struct xarray *fence_array,
struct drm_gem_object *obj,
bool write)
{
- int ret;
- struct dma_fence **fences;
- unsigned int i, fence_count;
-
- if (!write) {
- struct dma_fence *fence =
- dma_resv_get_excl_unlocked(obj->resv);
-
- return drm_gem_fence_array_add(fence_array, fence);
- }
-
- ret = dma_resv_get_fences(obj->resv, NULL,
- &fence_count, &fences);
- if (ret || !fence_count)
- return ret;
-
- for (i = 0; i < fence_count; i++) {
- ret = drm_gem_fence_array_add(fence_array, fences[i]);
- if (ret)
+ struct dma_resv_iter cursor;
+ struct dma_fence *fence;
+ int ret = 0;
+
+ rcu_read_lock();
+ dma_resv_for_each_fence_unlocked(obj->resv, &cursor, write, fence) {
+ rcu_read_unlock();
+ ret = drm_gem_fence_array_add(fence_array, fence);
+ rcu_read_lock();
+ if (ret) {
+ dma_fence_put(fence);
break;
+ }
}
-
- for (; i < fence_count; i++)
- dma_fence_put(fences[i]);
- kfree(fences);
+ rcu_read_unlock();
return ret;
}
EXPORT_SYMBOL(drm_gem_fence_array_add_implicit);
--
2.25.1
next prev parent reply other threads:[~2021-09-16 11:31 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-16 11:30 Deploying new iterator interface for dma-buf Christian König
2021-09-16 11:30 ` [PATCH 01/26] dma-buf: add dma_resv_for_each_fence_unlocked v2 Christian König
2021-09-16 12:15 ` Daniel Vetter
2021-09-16 11:30 ` [PATCH 02/26] dma-buf: add dma_resv_for_each_fence Christian König
2021-09-16 11:30 ` [PATCH 03/26] dma-buf: use new iterator in dma_resv_copy_fences Christian König
2021-09-16 11:30 ` [PATCH 04/26] dma-buf: use new iterator in dma_resv_get_fences v2 Christian König
2021-09-16 11:30 ` [PATCH 05/26] dma-buf: use new iterator in dma_resv_wait_timeout Christian König
2021-09-16 11:30 ` [PATCH 06/26] dma-buf: use new iterator in dma_resv_test_signaled Christian König
2021-09-16 11:30 ` [PATCH 07/26] drm/ttm: use the new iterator in ttm_bo_flush_all_fences Christian König
2021-09-16 11:30 ` [PATCH 08/26] drm/amdgpu: use the new iterator in amdgpu_sync_resv Christian König
2021-09-16 11:30 ` [PATCH 09/26] drm/amdgpu: use new iterator in amdgpu_ttm_bo_eviction_valuable Christian König
2021-09-16 11:30 ` [PATCH 10/26] drm/msm: use new iterator in msm_gem_describe Christian König
2021-09-16 11:30 ` [PATCH 11/26] drm/radeon: use new iterator in radeon_sync_resv Christian König
2021-09-16 11:30 ` [PATCH 12/26] drm/scheduler: use new iterator in drm_sched_job_add_implicit_dependencies v2 Christian König
2021-09-16 11:30 ` [PATCH 13/26] drm/i915: use the new iterator in i915_gem_busy_ioctl Christian König
2021-09-16 11:30 ` [PATCH 14/26] drm/i915: use the new iterator in i915_sw_fence_await_reservation v2 Christian König
2021-09-16 11:30 ` [PATCH 15/26] drm/i915: use the new iterator in i915_request_await_object v2 Christian König
2021-09-16 11:30 ` [PATCH 16/26] drm/i915: use new iterator in i915_gem_object_wait_reservation v2 Christian König
2021-09-16 11:30 ` [PATCH 17/26] drm/i915: use new iterator in i915_gem_object_wait_priority v2 Christian König
2021-09-16 11:30 ` [PATCH 18/26] drm/i915: use new iterator in i915_gem_object_last_write_engine v2 Christian König
2021-09-16 11:30 ` [PATCH 19/26] drm/i915: use new cursor in intel_prepare_plane_fb v2 Christian König
2021-09-16 11:30 ` Christian König [this message]
2021-09-16 11:30 ` [PATCH 21/26] drm: use new iterator in drm_gem_plane_helper_prepare_fb v2 Christian König
2021-09-16 11:30 ` [PATCH 22/26] drm/nouveau: use the new iterator in nouveau_fence_sync Christian König
2021-09-16 11:30 ` [PATCH 23/26] drm/nouveau: use the new interator in nv50_wndw_prepare_fb v2 Christian König
2021-09-16 11:30 ` [PATCH 24/26] drm/etnaviv: use new iterator in etnaviv_gem_describe Christian König
2021-09-16 11:30 ` [PATCH 25/26] drm/etnaviv: replace dma_resv_get_excl_unlocked Christian König
2021-09-16 11:30 ` [PATCH 26/26] dma-buf: nuke dma_resv_get_excl_unlocked Christian König
2021-09-17 12:34 Deploying new iterator interface for dma-buf Christian König
2021-09-17 12:35 ` [PATCH 20/26] drm: use new iterator in drm_gem_fence_array_add_implicit v2 Christian König
2021-09-17 14:53 ` Daniel Vetter
2021-09-20 7:31 ` Christian König
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